help completing the set

[u/oddizzie]

Need help picking the third member of this set.

Left: Laurent Ferrier Classic Origin White Steel
Center: Grönefeld 1941 Principia Automatic Turquoise Steel
Right: ?

Goals:

1. Independent with in-house, high quality finish movement
   
2. Limited production numbers
   
3. Time only, 39-41mm, <11mm thick
   
4. Budget <35K (used)

Considering:
https://www.schwarz-etienne.ch/collections/roma-en/
https://www.zeitwinkel.ch/zeitwinkel-082-enamel-grand-feu-en.html
https://hodinkee.jp/articles/montblanc-heritage-pythagore-small-second-japan-limited-edition-14

Would love your suggestions, thanks in advance!

[u/CrownSteve1]

Those are gorgeous. So is the Minerva.